| Mark Harmon | Leroy Jethro Gibbs |
| Pauley Perrette | Abby Sciuto |
| Sean Murray | Timothy McGee |
| Wilmer Valderrama | Nick Torres |
| Jennifer Esposito | Alex Quinn |
| Brian Dietzen | Jimmy Palmer |
| Emily Wickersham | Ellie Bishop |
| Duane Henry | Clayton Reeves |
| Rocky Carroll | Leon Vance |
| David McCallum | Donald Mallard |
| Emily Alabi | Petty Officer Kelly Ristow |
| Paul Schackman | Sullivan Brady |
| Richard Fancy | Leonard Weiss |
| Tony Gonzalez | Special Agent Tony Francis |
| Eric Petersen | 'Pale' Dale Matteson |
| Andrew Hawkes | Metro P.D. Detective Dan Campbell |
| Nick Puga | TSA Agent Gregg Rogers |
| Mariana Da Silva | Dakota James |
| Josh Latzer | Olek Lazarenko |
| Jonathan Del Arco | Ned Senders |
| Justen Overlander | Chris Ristow |